The generator matrix

 1  0  1  1  1  1  1  1  1  0  1  1  1  1  1  1  1  1  5  1  1  1  1  5  1  1 15  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1
 0  1  1  7 14 18  0 16  7  1 14 18  5 12 19  5 16 23  1 21 12 19 23  1  1  4  1  0 15  2  2  3  3 15 12 13 10  7 18 16 21 21  3  5 11 11 17 17 15 23 10 13 11 17  5  8 14  4 24 19 10 13 10 23
 0  0 15 10  5  0 20 10  5 10 15 20 10 15 20  5  0 15 20  5 20  0 10 15 20 10  5 15 20 10  0 15  5  5  5 20 15  0 10  5 20 15  0  0 10  0 20 15 10  5  0  0 15 10 15 10 10  0 15  5  5 15 20 20

generates a code of length 64 over Z25 who´s minimum homogenous weight is 250.

Homogenous weight enumerator: w(x)=1x^0+408x^250+200x^251+560x^252+788x^255+100x^256+240x^257+188x^260+200x^261+40x^262+148x^265+160x^267+84x^270+4x^275+4x^295

The gray image is a code over GF(5) with n=320, k=5 and d=250.
This code was found by Heurico 1.16 in 14.2 seconds.